Instead of measuring how fast or far a user went during a run or bike ride, or metrics like calories burned, Cardio Effort measures how hard their cardiovascular system was working during exercise and how long that effort was sustained. Cardio Effort is calculated for individual workouts taking into account both intensity and duration but provides a plain language evaluation that compares a user’s cumulative weekly effort against a personalized baseline.
One one end of the scale is a Light…
